The most well-established and widely used stem cell treatment is the transplantation of blood stem cells to treat diseases and conditions of the blood and immune system, or to restore the blood system after treatments for specific cancers. The US National Marrow Donor Program has a full list of diseases treatable by blood stem cell transplant.
A Whole House Fan is one the Best Energy-Saving Solutions for Your Home. A Whole House Fan (also known as a whole house ventilation system, whole house attic fan or whole house exhaust fan) is a simple & inexpensive method for cooling a home anytime the outdoor air temperature is cooler than inside your home.
I completely agree, most people don't know how fans work to provide comfort. Fans are to cool you not the house. All of the different types of non-mechanical cooling-floor fans, ceiling fans, whole-house fans, and evap coolers have the same lack of knowledge problem.